<script setup>
import useMouse from '../mouse'
defineProps({
  msg:String
})
let {x,y}=useMouse()
</script>
<template>
  <div>
    <h2>{{msg}}</h2>
    <h1>{{x}},{{y}}</h1>
    <HelloWorld msg="你好vue3!"/>
  </div>
</template>